Solar energy is quickly becoming a pivotal component of Maine's renewable energy sector, bolstering the state's commitment to sustainability and green initiatives. The domain comprises diverse companies, ranging from those developing solar-based solutions such as rooftop solar, solar water heaters, and community solar, to financial organisations offering funding for solar projects. Additionally, these companies offer numerous services including maintenance, installation, and tailored energy solutions. With Maine's regulatory environment favoring renewable energy, the solar industry's future seems robust and progressive with the potential to reshape the state's energy landscape.


Top 23 solar energy companies in Maine

1. ReVision Energy

ReVision Energy is a solar energy company offering a range of products and services including rooftop solar, community solar, ground mount solar, solar battery backups, electric vehicle charging, solar water heating, and solar heat pumps. They are committed to sustainability and have built over 10,000 solar energy systems in the region.


2. Maine Green Power

  • Website: megreenpower.com
  • Headquarters: Portland, Maine, United States
  • Headcount: 1001-5000

Maine Green Power offers affordable green power programs for residential and commercial customers, enabling them to choose renewable energy sources such as wind, water, sun, or forests that are made in Maine. Join the fight against climate change today!


3. CEI (Coastal Enterprises, Inc.)

  • Website: ceimaine.org
  • Headquarters: Brunswick, Maine, United States
  • Founded: 1977
  • Headcount: 51-200
  • Latest funding type: Debt Financing
  • LinkedIn

Coastal Enterprises, Inc. (CEI) is an investment company based in Brunswick, ME. They offer various financing options such as business loans, venture capital, and relief programs for businesses and projects. CEI specializes in providing financing for solar energy projects, community facilities, and real estate investments. They also support sustainable food systems, agriculture, and seafood marketing initiatives. CEI aims to build an inclusive economy by creating jobs, promoting small business ownership, and advancing a just transition to a climate-resilient future.


4. Maine Solar Solutions

Maine Solar Solutions specializes in the design and installation of solar electric (PV) and battery backup systems. From design to permitting to installation, our qualified team handles all the details to make your solar installation easy and worry-free.


5. Sundog Solar

  • Website: sundog.solar
  • Headquarters: Searsport, Maine, United States
  • Founded: 2009
  • Headcount: 11-50
  • LinkedIn

Sundog Solar is a solar energy company that offers solar panel installations, Tesla Powerwall batteries, and heat pump financing. They aim to help customers achieve energy independence, reduce dependence on fossil fuels, and save money on energy costs. Sundog Solar provides residential and commercial solar energy solutions, with a focus on Maine businesses and homes. They also offer off-grid solar systems and electric vehicle charger installations.


6. EMPower Energy

EMPower Energy is a company specializing in the development of electricity balancing infrastructure. With decades of technical experience and a deep knowledge of the national energy context, we provide sustainable solutions to support Mexico's transition to renewable energies. Our advanced technology enables us to generate electricity without using water, contributing to environmental conservation. We comply with all environmental laws and regulations, and we actively engage in social responsibility initiatives, including the construction of virtual classrooms and the installation of internet infrastructure in communities.


7. L & B Electrical Contractors, INC.

L&B Electrical Contractors, Inc. is a construction firm specializing in electrical installations, including lighting and control systems retrofitting and solar system installations.


8. Sunox

  • Website: sunox.org
  • Headquarters: Freeport, Maine, United States
  • Headcount: 11-50
  • LinkedIn

Sunox is a company that focuses on solar energy and its applications. They provide innovative technologies and solutions for various industries including agriculture, fisheries, and aquaculture.


9. Quantum Harvest LLC

Quantum Harvest offers a variety of fully self-contained, EMP-protected, sun-tracking portable solar power systems with several patents pending, suitable for camping, home back up for power outages and renewable energy solutions for water pumps.


10. Alternative Energy & Solar Solutions

Alternative Energy & Solar Solutions provides sustainable solar solutions to the environmental and economic challenges posed by the growing global energy demand, offering solar panels, solar hot water systems and other alternative energy products.


11. Goggin Energy

  • Website: gogginenergy.com
  • Headquarters: Portland, Maine, United States
  • Founded: 1999
  • Headcount: 11-50

Goggin Energy offers energy-efficient heat pumps and solar PV to residential and business customers in Southern Maine. With their advanced products, customers can enjoy even warmth and air conditioning throughout the year without worrying about running out of oil or propane. Their team provides professional installation and maintenance services, ensuring customer satisfaction.


12. Dirigo Solar

Dirigo Solar is a Maine-based solar company focused on the installation of ground-mounted solar panels for homes and businesses in the state. The company's mission is to provide affordable, local, and sustainable energy to Maine residents.


13. E3 Go Green

Community solar is one of the best kept secrets in renewable energy. At E3 we're working to change that. Community solar allows everyone - home owners, businesses, and renters - to go green and save money in the process. It is truly the best program to advance environmental justice and to democratize solar energy. At E3 we work with solar farm developers to connect them with residents and businesses interested in subscribing to one of their projects. If you're interested in reducing your electric bill and helping to reduce greenhouse gas emissions, contact us to learn more.


14. RLC Engineering

  • Website: rlc-eng.com
  • Headquarters: Hallowell, Maine, United States
  • Founded: 2006
  • Headcount: 51-200
  • LinkedIn

RLC Engineering is a professional engineering firm specializing in power generation and distribution systems. They offer a comprehensive range of services including power system studies, transmission line design, substation design, and energy management. Their team of highly experienced engineers provides innovative engineering solutions tailored to meet their clients' specific needs.


15. Performance Plumbing and Heating

Performance of Maine provides comprehensive energy solutions to residential and commercial clients in the state of Maine


16. Art Tec

  • Website: arttec.net
  • Headquarters: Woolwich, Maine, United States
  • Headcount: 1-10

1959 - Family moved back to England (yes, I'm English) Family home in Yorkshire and a Very Proper Young Man! 1979 - Moved to Venice, California, to work in special effects field 1979 - Visual effects engineer ""Star Trek, the Motion Picture"" 1980-84 - Various effects productions including: "" Ghost Busters "", ""2010 The Year We Make Contact"", ""Brainstorm"". 1983-85 - Partner in FX company, YFS productions, various TV shows and movies YFS Productions crew filming ""In Search of The Holy Grail"" episode for ""In Search Of..."" TV series. 1985 - Pace Colorprints. I worked for 6 months making Cibachrome and Dye Transfer color pints with one of the industry's best color printmakers; Bob Pace. 1986 - present - Self-employed electrical engineering consultant. ""Dodeca Rockola"" neon plasma art jukebox. 6 ft. X 30"". Interactive working jukebox with neon light show. This began a 6+ year exploration of large blown glass artwork with choreographed neon, and also electronic art. 1986 - Built a dye transfer print lab in San Francisco for Frog Prints color lab. 1994 - Moved to artist studio loft Oakland, CA My furniture booth at a crafts show. 1998 - Bought first house in Vallejo, CA 2001 - Moved to Woolwich, Maine in August. 2003 - Began marketing my Magnetic Levitation Kit from my web site. Turns out to be a big success selling hundreds of kits a year. 2006 - Installed solar domestic water heating system on our house. And began maunfacturing Solar Differential Temperature Controller s - another surprise success. 2008 - Formalized my business as ART TEC LLC in order to take my solar products to the next level. 2009 - Installed a 3.2kW solar power system on the roof of my workshop. This system produces about 50% of the electricity needed to run our home and 2 home based businesses on an annual basis. 2012 - Expanded my solar power array to 5.2kW and purchased a Chevy Volt electric vehicle that I charge from the solar array. I try to live a simple life in keeping with my Quaker beliefs. I work to raise awareness for a sustainable ...


17. E.S. Boulos Company

  • Website: esboulos.com
  • Headquarters: Westbrook, Maine, United States
  • Founded: 1920
  • Headcount: 51-200
  • LinkedIn

E.S. Boulos is an electrical and telecommunication installation company that specializes in substation construction and renewable systems. As a subsidiary of MYR Group Inc., they offer successful solutions and quality execution for their clients' projects. With a strong focus on safety and sustainability, E.S. Boulos provides innovative practices and comprehensive solutions, utilizing national resources when needed. They are committed to building a sustainable future for their people, clients, and communities.


18. Blair May

  • Website: swnl.net
  • Headquarters: Waldoboro, Maine, United States
  • Headcount: 1-10
  • LinkedIn

Solar and renewable engery installers in Redway California and Waldoboro Maine


19. Galaxy Solar LLC

Residential & Commercial Solar


20. Midcoast Green Collaborative

Midcoast Green Collaborative is a project of Community Building Trust, a 501 (c) 3 Damariscotta nonprofit organization dedicated to community building. We are a group of business persons, public officials and other citizens from the Damariscotta area who have joined together to promote a viable ""green"" program of socially responsible economic growth in Midcoast Maine that will help answer the need for new, well paying jobs in a revitalized, balanced economy built on the production of goods, rather than just services, retail sales, and tourism. We see in the challenge posed by rapidly growing, world-wide energy shortages and a global environment increasingly imperiled by the burning of oil an historic opportunity to build a sustainable society and a latent market for sustainable products and services. We seek to build awareness of this impending crisis among the local population and acquaint people with the many ways in which thousands of communities in this country and around the world have begun to actively and successfully deal with it.


21. PLANETSAVE.COM

Planetsave is a company that operates in the Nonprofit Organizations industry. It employs 21-50 people and has $1M-$5M of revenue. The company is headquartered in La Plata, Missouri.


22. King Pine Properties

King Pine Properties is a real estate investment firm specializing in energy efficient homes. We are committed to redeveloping exceptional properties--whether for resale or our rental portfolio. Combining state-of-the-art building science practices with contemporary design aesthetics, our homes offer functional living spaces, superior comfort, low heating and cooling costs, healthy indoor air quality, and a reduced carbon footprint.


23. ETE Solar

ETE Solar is a renewables & environment company based out of 32 Tyler Ln, Berwick, ME, United States.


Want to find more solar energy companies?


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